Hyundai Elantra: Automatic Transaxle System / Valve Body System

Hyundai Elantra AD (2016-2020) Service Manual / Automatic Transaxle System / Valve Body System

Components and Components Location

Components Location

1. Automatic transaxle
2. Input/Output speed sensor
3. Valve body assembly

4. Solenoid valve connector module
5. Valve body cover
6. Gasket

Valve Body Description and Operation

Description

The valve body is essential to automatic transaxle control and consists of various valves used to control the oil feed from the oil pump. Specifically, these valves consist of pressure regulator valves, oil redirection valves, shift valves, and manual valves.

The body also features electronic solenoid valves that ensure smooth gear changes.

Valve Body Components and Components Location

Components Location

1. Solenoid valve support bracket
2. Solenoid valve support bracket (Directly solenoid)
3. Line Pressure Control Solenoid Valve
4. Torque Convert Control Solenoid Valve (T/CON)
5. ON/OFF solenoid valve
6. Overdrive Clutch Control Solenoid Valve (OD/C)

7. Underdrive Brake Control Solenoid Valve (UD/B)
8. 35R Clutch Control Solenoid Valve (35R/C)
9. 26 Brake Control Solenoid Valve (26B)
10. LR/B pressure flow hole
11. UD/B pressure flow hole
12. Accumulator

Valve Body Repair procedures

Replacement

If necessary replace the valve body or solenoid valves, hydraulic adjustment is needed, replace the automatic transaxle assembly.

After the automatic transaxle assembly exchange, input the hydraulic calibration information of TCM.

1.	Perform the oil pressure characteristics input procedure. • Oil pressure characteristics(bar code) location • Oil-pressure characteristics input (Transmision exchange)

Other information:

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